Cable is 1.13mm mini-coaxial cable (50 Ohm): This is a very thin and flexible cable, with a black jacket. When connecting U.FL connector to a jack on a miniPCI card or board, often the tight space requires the use of 1.13mm cable, because it is very thin and flexible (diameter is 1.13mm). This very thin cable is typically needed in tight spaces inside of enclosures, so that the U.FL connector will snap down on the jack without popping off.

Our MHF4 to RP-SMA series coaxial cables have medium-sized, threaded coupling connectors designed for use from DC to 11 GHz. Their consistently low broadband VSWR have made them popular over the years in many applications.

MHF4 miniature RF coaxial connector is the smallest mini RF connector in the world. Only 1.2mm low profile, MHF4 IPEX/IPX connector provides good working performance in various application of Wireless LAN.

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You Gotta Know What You're Doing

Posted by Fred on 21st Aug 2017

My motherboard specifies to use a M.2 type Wli-Fi module. The module I purchased included neither the 2 antennas needed nor the wires to connect them to the module.

Therefore, I bought a standard antenna kit, which included 2 antennas and the wires to connect them to a Wi-Fi module.

At the time, I didn't know there are two nearly-identical standards for Wi-Fi antennas. The wires that came with the standard antenna kit I bought didn't fit the connections on the M.2 Wi-Fi card. They fit only non-M.2 cards.

The antennas themselves in the kit I bought work with either type wire standard, however. Thus, all I needed to do was to find a two-wire set that fit the M.2 Wi-Fi module I bought. Confusing!

You have to understand (I didn't) the specs to know what you're buying, because the two types of connecters are not interchangeable. The connections on a M.2 Wi-Fi card are much smaller than those on non-M.2 cards. Who knew?

The wires with the smaler connectors that fit the newer M.2 cards are called MHF-4 connectors, and that's where I went wrong.

The bigger problem is that none of the sites I looked at specify what standard they're using with their antenna kits. This fact is a bit mind-boggling.

Using Google I found Data Alliance. They had the wires I needed to get the job done. I ordered the wires and they arrived timely.